Description This conical flask sealing film is designed for laboratory use, providing a breathable seal for culture containers. The film is transparent, allowing easy observation of the contents while maintaining a clean environment. Ideal for experiments requiring high-temperature conditions, it ensures reliable sealing. Features -Color:Transparent -Material:Plastic -Size:12.00X12.00X0.01cm/4.72X4.72X0.00in -Note: 50pcs a box -Hightemperature resistance: made from durable materials that withstand hightemperature processes, ensuring a clean environment for your experiments -Breathable design: features a vented structure to balance internal and external pressure, supporting the respiratory needs of plant cells during cultivation -Secure sealing: provides a tight seal to prevent liquid spills, making it ideal for various laboratory applications with conical flasks and other containers -Effortless application: designed for quick and easy installation and removal, simplifying experimental workflows and saving valuable research time -Versatile usage: suitable for a wide range of scenarios, from cell culture to chemical experiments, offering a stable and reliable sealing solutionPackage list: 1 x box of Seal Film